Europe's 50 Hottest Tech Firms

For TIME's third annual Hot Company list, we talked to venture capitalists, industry experts and entrepreneurs to identify the European technology firms with the most innovative products and services and the most promising business models. We looked for those with the greatest future potential, not present hype.

Some are well established, others are still below the radar screen. Here are our picks:

BIOTECH
Biotech  the combination of life sciences, high tech and research  is now the driving force behind progress in healthcare. More than 50% of new medications are being developed by...